Active Weather Alerts
Small Craft Advisory
Issued: 2:44 AM Mar. 17, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT TUESDAY... ...GALE WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING... * WHAT...Northwest winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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